package com.java.interview.i设计模式.代理模式;

/**
 * @Description:
 * @Auther: sixbing  QQ:414409451
 * @Date: 2018/11/4 13:17
 */
public interface IMath {
    //加
    int add(int n1, int n2);

    //减
    int sub(int n1, int n2);

    //乘
    int mut(int n1, int n2);

    //除
    int div(int n1, int n2);
}
